/* Copyright (c) 2021, National University of Defense Technology. All rights reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *     http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#ifndef OPERATOR_H
#define OPERATOR_H

#include "vector.h"
#include "multivector.h"

namespace YHAMG
{

class Operator
{
public:
	virtual ~Operator();
	virtual int InSize() const = 0;
	virtual int OutSize() const = 0;
	virtual void Apply(const Vector& x, const Vector& y) const = 0;
	virtual void Apply(const MultiVector& X, const MultiVector& Y) const;
};

}

#endif